F.B.I. Clash With Apple Loosed a Torrent of Possible Ways to Hack an iPhone - The New York Times

The FBI's plausible deniability reservoir in this context is looking a bit low

"Apple said it declined to speculate on the F.B.I.’s methods and actions. The Silicon Valley company has previously expressed doubts that the government could find no way to break into its iPhone, even as it constantly updates its security protocols.

“Given the past exploits that have bypassed the lock screen and the present-day reality of innumerable security firms, malicious actors, cybercriminals and potential adversaries of the United States constantly seeking vulnerabilities,” it seems improbable for the government to conclude that the only way into the phone was for Apple to write new code and weaken its security, Erik Neuenschwander, the company’s manager of user privacy said in a recent court filing."

F.B.I. Clash With Apple Loosed a Torrent of Possible Ways to Hack an iPhone - The New York Times